[4][5] Weinberg attended Deerfield Academy, received his undergraduate degree at Claremont McKenna College in 1979,[1][6] and earned his MBA at Harvard Business School in 1983.

[7] Weinberg started his career as an analyst at Morgan Stanley & Co in 1979, where he worked before and after attending Harvard Business School.

[9] In 2005, after having been chief executive of Goldman Sachs International for seven years, Weinberg decided he wanted to start a new company.

[12] The company, called Perella Weinberg Partners, is an advisory and asset-management firm based in New York and London.

[18] Weinberg is a frequent commentator on CNBC and Bloomberg TV and quoted expert on a range of topics, including: current trends and the future of mergers and acquisitions,[19][20][21] shareholder activism,[22][23] and financial markets[24] and financial institutions in general.

[28][29] Weinberg is on the Boards of Overseers at Memorial Sloan Kettering Cancer Center and Columbia University Medical School.

His grandfather, Sidney Weinberg, began as a janitor at the firm in 1907 and rose to be a senior partner for over 30 years.